Male Solo

Kim Jae Joong (JYJ/TVXQ!) Profile, Bio, & Facts

Kim Jae Joong
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Kim Jae Joong (김재중)  is a South Korean singer, songwriter, director, and actor under iNKODE Entertainment. He is a member of the group JYJ and a former member of TVXQ! (DBSK). He made his solo debut on January 17, 2013, with the EP “I”.  

Kim Jae Joong Profile

Stage NameJae Joong (재중) 
Birth NameHan Jae Jun (한재준) | Legal Name: Kim Jae Joong (김재중)
PositionSinger, Songwriter, Actor
BirthdayJanuary 26, 1986 (Real Birth date: February 4, 1986)
Active Years2003–present
Age38 (in 2024)
Zodiac SignAquarius
Height5’11” (180 cm)
Weight63 kg (139 lbs)
Blood TypeO

Kim Jae Joong Facts:

Early Life

– Kim Jae Joong was born in Gongju, Chungcheongnam-do, South Korea.
– He went to Gongju Jungdong Elementary School and Kongju National University Middle School.
– He dropped out of Kongju Information High School in 2001 and later graduated from Hanam High School in 2005.
– He was adopted by the Kim Family at a very young age and his name was legally changed to Kim Jaejoong.

Personal Life

– His stage name in Japan is J-JUN (ジェジュン) and his name in China is Ying Xiong Zai Zhong (英雄在中).
– He also majored in Digital Media Engineering from Kyung Hee Cyber University.
– He has 8 step sisters and a biological sister and brother both younger than him.
– On November 21, 2006, a man with the surname Han filed a lawsuit against Kim‘s guardians, claiming that he was Kim’s biological father, and thus wanted parental rights. But later Han dropped the charges against Jaejoong’s adoptive parents.
– He wanted to be the owner of a supermarket when he was younger.
– He has tattoos and has 11 piercings.
– He has a playboy vibe according to Junsu.
– Jae Joong is not very interested in women and dating and once a female employee asked for his phone number, he rejected her saying that his work is his top priority. (Weekly Women’s PRIME)
– He used to cook for all the members when they lived together.
– He said his biggest charm is that he seems like a celebrity but is actually not like one.
– He had his first kiss in elementary school and he fell in love for the first time in middle school.
– He has a dog named VICK, a Great Pyrenees and two cats Coco & Nene.
– He is good friends with BoA, SS501’s Hyunjoong, Super Junior’s Heechul, ex-B2ST’s Junhyung, Baek Seung-Heon, and M.Pire’s Lumin.
– His official light stick is called “Secret Kode J-1”.
– He improved his Japanese by approaching and starting conversations with strangers in Shibuya, Japan.
– He describes ‘Love’ as unconditional but understands that it’s rare even among family members. (Harper’s Bazaar 2018)
– He owns several companies like Holic-J Bar (Gangnam), Cafe J-Holic, Coffee Cojjee (Samsung-dong), and he’s the CEO of KAVE mall (Shibuya).
– He gets inspiration for songwriting from movies and dramas.
– His bag includes a wallet, passport, perfume, AirPods, mouth spray, vitamins, and home keys for the house in Japan. (THE STAR)
– Kim Jae Joong didn’t reveal he was older than Junsu for three years since he wanted to be very close to him and considered Junsu as his idol. (Jaefriends Ep.20)
– He does not have an ideal type. He only likes women his age or older, he can’t date anyone younger than him.
– He can recognize Junsu’s handwriting.
– He started cooking for himself at a young age because his parent wasn’t home most of the time.
– His mother also owned a restaurant so he gained cooking skills from there. (Hashtag Legend)
– He does not make anything on Christmas and prefers eating out.
– He speaks Japanese with Yamapi and Korean with Hangeng. (200109 Cosmo)

Relocating to Seoul & Trainee Period

– He moved to Seoul by himself when he was fifteen, to participate in auditions held by SM Entertainment.
– To afford his living as a trainee at SM Entertainment, he took various odd jobs to pay for rent, food, and training fees.


– Kim Jae Joong is the main vocalist, lead dancer, visual, and face of the group in JYJ.
– He is also signed to a Japanese label named First JB Music.
– In Japan, he has released three studio albums, all peaked at number one on the Oricon Album Chart.
– He has appeared in many dramas including “Bad Girl: Glass Ceiling Crushers” (2022), and “Bad Memory Eraser” (2023).
– He was the main vocalist, visual, and face of the group in TVXQ.
– He first debuted as a member of TVXQ in 2003 along with Yunho, Changmin, Yoochun, and Junsu.
– In early 2010, he, Yoochun, and Junsu sued SM Entertainment and formed a new trio boy group JYJ.
– He served as executive director for the Asian leg of JYJ’s 2011 Worldwide Tour.
– He has toured extensively in South Korea and Japan.
– He has released many OSTs including “Breaking Dawn” (Noblesse anime 2020), and “Even If I Call” (Mr. Heart 2020).
– He was enlisted on March 31, 2015, to get his mandatory military training. He topped the batch and served for 21 months under 55th Infantry Division in Cheoingun, Yongin. He was discharged on December 30, 2016.
– He has a documentary about his life and career called Jaejoong: On the Road (2021), directed by John H. Lee.
– His contract with C-Jes Studio expired on April 22, 2023.
– In May 2023, Jae Joong formed his own agency iNKODE which would produce new idols as well as his own activities including serving as the Chief Strategy Officer.
– In 2017 he was declared as the richest K-pop idol with a net worth of $100 million.

Likes & Dislikes

– His favorite comic book is “Dragon Ball”.
– His favorite colors are black and white.
– He likes rock songs. (Weekly Women’s PRIME)
– He enjoys cooking for people.
– His favorite flower is Lily.
– He dislikes the Korean age system and doesn’t like talking about age. (Harper’s Bazaar 2018)
– His favorite singer is BTS. (극한면접)
– His favorite fashion style is denim.
– His favorite mukbanger is Salt Pear.
– He loves staying in Japan and doesn’t feel like he is in a foreign country.
– He likes the song ‘Tell Me How U Feel’ and the Japanese song ‘Wasurenaide’ (THE STAR)
– His favorite place in Korea is the Han river.

Food Preferences

– His diet food consists of beef and duck.
– His favorite food is carbohydrates. (트래블버디즈)
– Kim Jae Joong can eat 700-800 grams of T-bone steak alone.
– He is passionate about eating.
– His favorite fruits are bananas and apples. And his favorite vegetable is onion.
– He loves spicy food.
– He relieves his stress by eating.
– He used to love eating at night but would get puffy the next morning. (Jaefriends Ep.20)


– He is nicknamed ‘Boss Baby’ and his fans were named ‘Babies.’
– He would pass his popular nickname ‘visual character’ to Cha Eunwoo (Astro) and L (INFINITE). (트래블버디즈)
– His and Junsu’s pair is called ‘Baguette and whipped cream’. (Cosmopolitan 2023)


– He is skilled at cooking.
– He speaks Korean, Japanese, and Chinese.
– He can play the piano.

Personality & Habits

– Kim Jae Joong had a sharp personality but got softer over the years according to Junsu. (Jaefriends Ep.20)
– He is not a very temperamental person. (트래블버디즈)
– He would describe himself as ‘Dong-pp’ which means an older brother who acts like a younger brother.
– He is very sensitive and self-conscious about what other people think. (Hashtag Legend)

Major works

– His most popular songs are “Rokutousei”, “Mine”, and “Just Another Girl”.


– He won the ‘Best 3 Albums’ award at the 34th Japan Gold Disc Awards in 2020.
– In 2019, he won the Busan International and Excellence Award (Film Festival’s Asia Contents Awards), Planning Award (61st Japan Record Awards), and Next Generation Star Award (13th Asian Film Awards.)

Kim Jae Joong Photos

Note: How did you get to know Kim Jae Joong? Mention your story in the comments section and also share more facts with us if you know!

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Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^

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